Stranding, cabling, ropemaking, and lapping machine



March 20, 1934. J. H. LARMUTH STRANDING, CABLING, ROPEMAKING, AND LAPPING MACHINE Filed July 14, 1952 llllllllll lulfl IIIIL'? llllllllllllllllllIlllllllllllllllllllllll Patented Mar. 20, 1934 STRANDING, CABLING, ROPEMAKING, AND LAPPING MACHINE John Hamilton Larmuth, Hill Crest, Upper Colwyn Bay, Wales Application July 14, 1932, Serial No. 622,423

In Great Britain July 24, 1931 1 Claim.

This invention relates to stranding, cabling, rope-making and lapping machines wherein a haul-01f device is provided for hauling from an other part or parts of the machine, the product of the said other part or parts.

The object of my invention is to provide a novel arrangement of drive for the haul-off device and the said other part or parts of the machine, whereby a reduction in the amount of shafting or the dimension of parts of the machine, and a reduction in frictional losses and the inertia of moving masses can be obtained, whilst the transmission of power to the haul-off device can be maintained separate from the transmission of power to the other part or parts of the machine.

According to my invention, the haul-off device and other part or parts of the machine are driven by means of an electric motor shaft one end of which is connected by suitable gearing to the 20 said other part or parts of the machine and the other end of which is connected separately by suitable gearing to the haul-off device.

The said other part or parts may be driven by gear wheels one of which is mounted direct on the one end of the electric motor shaft, whilst the haul-off device is driven by the aid of a reduction gear coupled direct to the other end of the electric motor shaft, or connected thereto by the aid of an extension shaft coupled or connected to the said other end of the electric motor shaft.

I attain this object by the mechanism illustrated in the accompanying drawing and claimed in the hereinafter appearing claims.

In the drawing- Figure 1 is a detached elevation of a part of a stranding or cabling machine.

Figure 2 is a plan view of Figure 1.

Figure 3 is a detached section taken on line 3-3 of Figure 1 regarded in the direction of the arrow.

Referring to the drawing, in the construction shown therein, as applied by way of example to a stranding or cabling machine having a rotary part 1 carrying bobbins 2 for the wires or strands from which the strand or cable is produced by the aid of a lay plate 3 and dies 4, and the produced strand or cable passes round a haul-off drum 5, the drive of the rotary part 1 and the haul-off drum is effected by the following arrangementz An electric motor 6 is arranged opposite the space between the rotary member 1 and the frame 7 in which the haul-01f drum 5 is mounted. The motor 6 is mounted on a bed plate 8 provided on one of the longitudinal girders 9 forming a part of the framework of the machine. The shaft 10 of the motor 6 is parallel with the axis of the rotary part 1 and projects at both ends from the motor 6 suihciently to enable both ends to be employed for driving purposes.

The motor shaft 10 is provided at one end with a spur wheel 11 which meshes with a spur ring 12 provided on the rotary member 1 at the end thereof. The motor shaft 10 is provided at the other of its ends with one part 14 of a two-part coupling 13, 14, the part 13 being provided on the worm spindle 15 of a worm and worm wheel reduction gear contained in a casing 16. The worm wheel shaft 17 of the said gear is provided with a spur wheel 18 which meshes with a spur wheel 19 provided on a shaft 20 which is mounted in the frame '7 and from which the haul-off drum 5 is driven through change gearing in the usual manner.

In operation, when the motor 6 is running, one end of the shaft 10 thereof rotates the rotary part 1 through the spur wheels 11 and 12, whilst the other end of the shaft 10 rotates the shaft 26 and therefore the haul-off drum 5 through the coupling 13, 14, the reduction gear contained in the casing 16 and the spur wheels 18 and 19. Thus that part of the motor power required for rotation of the rotary part 1 is delivered by one end of the motor shaft 10 and that part of the motor power required for rotation of the haul-off drum 5 is delivered by the other end of the motor shaft 10. Therefore the total driving power is distributed between the two ends of the motor shaft 10 and the drive from the said shaft 10 to the haul-off drum 5 is taken from the motor shaft entirely independently of the means employed for transmitting the drive from the motor shaft to the rotary part 1 or of the rotary part 1 itself.

Instead of employing a spur wheel 11 and a spur ring 12, a spur wheel and a spur ring conneeted together by one or more carrier wheels or change wheels, or a sprocket wheel and a sprocket ring connected together by a driving chain may be employed.

Instead of arranging the motor 6 opposite the gap between the part 1 and the frame '7, it may be arranged opposite any portion of the rotary part 1, the spur ring 12 or the equivalent being arranged at a suitable place along the rotary part 1 to enable it to be driven from the spur wheel 11 or the equivalent at one end of the motor shaft 10, and the worm shaft 15 being connected to the other end of the motor shaft 10 by an extension shaft situated between the worm shaft 15 and the second named end of the motor shaft 10 and suitably coupled or connected to the said two shafts.

The hereinbefore described construction is equally applicable to lapping machines in which there is a haul-01f device in the form of winding or haul-ofi drum, which is the equivalent to the haul-off drum 5, and serves to draw a core through another part, which is the equivalent of the rotary part 1, and carries bobbins of the material to be lapped on the core by rotation of the said other part whilst the core is being drawn through the said other part by the haul-off device.

I claim- A stranding machine or the like, comprising in combination a horizontal, rotary part forming a portion of the said machine, a haul-01f device forming a separate part of the said machine and shaft, a worm wheel meshing with the said worm,

a worm wheel shaft carrying the worm wheel, a

spur gear on the worm wheel shaft, and spur gearing driven by the worm wheel shaft for driving the haul-off device.

JOHN HAMILTON LARMUTH. 

